Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during radiator assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Battery terminal is disconnected/reconnected

Memorize steering angle neutral point

Lane Control System

Pre-collision system

Intelligent clearance sonar system*1

Lighting system (w/ Automatic Headlight Beam Level Control System)

Parking assist monitor system

Panoramic view monitor system

Initialize back door lock

Power door lock control system

Reset back door close position

Power back door system (w/ Outside Door Control Switch)

  • Front television camera assembly
  • Front bumper assembly
  • Radiator grille

Front television camera view adjustment

Panoramic view monitor system

for Initialization

for Calibration

Front bumper assembly (w/ Intelligent clearance sonar system)

  • Ultrasonic sensor detection angle
  • Ultrasonic sensor detection angle registration
  • Intelligent clearance sonar system
  • Intuitive parking assist system

*1: When performing learning using the Techstream.

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NOTICE:

After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 120 seconds before disconnecting the cable from the negative (-) battery terminal.

PROCEDURE

1. PRECAUTION

NOTICE:

After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

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3. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH

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4. REMOVE NO. 3 ENGINE UNDER COVER

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5. REMOVE NO. 1 ENGINE UNDER COVER

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6. DRAIN ENGINE COOLANT

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7. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

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8. REMOVE BATTERY

for 2WD: Click here

for AWD: Click here

9. REMOVE FRONT BUMPER COVER

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10. REMOVE HOOD LOCK CONTROL CABLE COVER

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11. REMOVE HOOD LOCK RELEASE LEVER PROTECTOR

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12. REMOVE HOOD LOCK ASSEMBLY

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13. REMOVE INLET AIR CLEANER ASSEMBLY

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14. REMOVE UPPER RADIATOR SUPPORT SUB-ASSEMBLY

(a) w/ Smog Ventilation Sensor:

(1) Disconnect the smog ventilation sensor connector.

(b) Disengage the 4 clamps and disconnect the wire harness from the upper radiator support sub-assembly.

(c) Remove the 7 bolts and upper radiator support sub-assembly.

15. DISCONNECT NO. 1 RADIATOR HOSE

(a) Slide the clip and disconnect the No. 1 radiator hose.

16. DISCONNECT NO. 2 RADIATOR HOSE

(a) Disengage the clamp and disconnect the No. 2 radiator hose from the fan shroud assembly.

(b) Slide the clip and disconnect the No. 2 radiator hose.

17. DISCONNECT INLET NO. 1 OIL COOLER HOSE

(a) Disengage the clamp to disconnect the inlet No. 1 oil cooler hose from the fan shroud assembly.

(b) Slide the clip and disconnect the inlet No. 1 oil cooler hose.

18. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE

(a) Slide the clip and disconnect the outlet No. 1 oil cooler hose.

19. REMOVE RADIATOR ASSEMBLY

(a) Disengage the 2 claws.

(b) Disengage the 2 guides to separate the cooler condenser assembly from the radiator assembly.

NOTICE:

Make sure not to damage the cooler condenser assembly when removing the radiator assembly.

(c) Disconnect the cooling fan ECU connector.

(d) Disengage the 4 wire harness clamps.

(e) Remove the radiator assembly with the fan shroud assembly from the vehicle body.

NOTICE:

Do not apply excessive force to the cooler condenser assembly or pipe when removing the radiator assembly with the fan shroud assembly.

(f) Disconnect the radiator reserve tank hose from the radiator assembly.

(g) Disengage the 3 claws.

(h) Disengage the 3 guides to remove the fan shroud assembly from the radiator assembly.

NOTICE:

Do not damage the radiator assembly when removing the fan shroud assembly.

20. REMOVE RADIATOR SUPPORT CUSHION

(a) Remove the 2 radiator support cushions from the radiator assembly.

21. REMOVE LOWER RADIATOR SUPPORT

(a) Remove the 2 lower radiator supports from the radiator assembly.

    Installation
    INSTALLATION PROCEDURE 1. INSTALL LOWER RADIATOR SUPPORT (a) Install the 2 lower radiator supports to the radiator assembly. 2. INSTALL RADIATOR SUPPORT CUSHION (a) Install the 2 radiator support cush ...

    Relay
    On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FAN RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condi ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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